# … 4.9 Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during t

… 4.9 Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the past 12 months were as follows: MONTH PRICE PER CHIP MONTH PRICE PER CHIP January February \$ 1.80 1.67 1.70 March April July August September October November December 1.85 1.80 1.83 1.70 1.65 1.70 1.75 May 1.90 June 1.87 ing average on all the data and plot the verage and add the 3-month plot to a) Use a 2-month moving average on all the a averages and the prices. b) Use a 3-month moving average and add the the graph created in part (a). c) Which is better (using the mean absolute ter (using the mean absolute deviation): the 2-month average or the 3-month average? d) Compute the forecasts for each month using a smoothing, with an initial forecast for January of \$1.80. Use a * .1, then a = .3, and finally a = .5. Using MAD, which a is the best? PX

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… 4.9 Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during t was first posted on July 6, 2020 at 3:43 am.